The only value of $x$ for which ${2^{\sin x}} + {2^{\cos x}} > {2^{1 - (1/\sqrt 2 )}}$ holds, is

  • A

    $\frac{{5\pi }}{4}$

  • B

    $\frac{{3\pi }}{4}$

  • C

    $\frac{\pi }{2}$

  • D

    All values of $x$

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